Key concepts of privacy and data protection. Concepts of privacy: definition and evolution. Privacy and data protection. Digital era: end of privacy? European framework on data protection. Data protection in the European Union. GDPR: structure, meanings, and obligations. Italian legislative framework in the matter of data protection. Main instruments in US legislation regarding data protection. Supreme Court sentences. The Californian framework in the matter of data protection. The transfer of personal data to third countries. EU-US privacy shield agreement and the case Schrems II. The right to erasure between the European Union and the United States of America. How the right to be forgotten in the US violates the first amendment of the US Constitution.